There is a Chevelon Canyon and Chevelon Lake in Arizona. It is a hiking destination.
A canyon is formed by a river. The river rises to the highest point and starts to carve. Then from there the water level goes down... And there's your canyon:-p
A canyon is a deep valley between cliffs often carved from the landscape by a river. Grand Canyon, Arizona
the canyons are deep valleys with steep walls on both sides that are formed by running water
You should be able to locate the Grand Canyon if you are near Flagstaff.